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log_c's Introduction

linux c 日志系统

  1. 配置文件
    log_conf.json
{
    "print_level": 4,
    "print_time": true,
    "print_line": true,

    "log_level": 4,
    "log_time": true,
    "log_line": true,
    "log_file_size":10,
    "log_file_path_1": "./test1.log",
    "log_file_path_2": "./test2.log"
}

前台打印:
print_level:打印等级 0:禁止打印; 1:开启log_a()打印;2:开启log_a()、log_b()打印 …… 4:开启全部打印
print_time:是否打印时间
print_line:是否打印文件名和行号

日志存储:
log_level:打印等级 0:禁止打印; 1:开启log_a()打印;2:开启log_a()、log_b()打印 …… 4:开启全部打印
log_time:是否打印时间
log_line:是否打印文件名和行号
log_file_size:日志文件大小,单位MB
log_file_path_1:日志文件1,超过log_file_size大小后,覆盖日志文件2,同时删除日志文件1
log_file_path_2:日志文件2
  1. 命令行选项
    -d 开启程序一开始读配置文件的打印


  2. 由于本工程就算设置打印等级为0,也会有去读取配置文件的运行消耗,若追求极致效率,可用宏在编译阶段进行关闭;
    LOG_LEVEL_STATIC_CURRENT 设置这个宏可选择性编译log_a()、log_b()、log_c()、log_d()

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